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Finding the Fourth Proportional to 26.34, 39.47 and 14.94

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Solution

The fourth proportional to 26.34, 39.47 and 14.94 is: 22.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.34 : 39.47 = 14.94 : x
  2. Step 2: Convert to fraction form
    26.34/39.47 = 14.94/x
  3. Step 3: Cross multiply
    26.34x = 39.47 × 14.94
  4. Step 4: Simplify right side
    26.34x = 589.61
  5. Step 5: Solve for x
    x = 589.61/26.34
  6. Step 6: Final answer
    x = 22.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.